What is a medical leech?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 25. Juni 2014, 19:52
Stufe: B1-B2 (Mittelstufe)


Note: 0 (Anzahl der Bewertungen: 0)

Zaloguj się, aby pobrać plik MP3.

Medical leeches are raised in captivity and help patients heal wounds. Discover how leeches and other parasites are used for medical purposes in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers